Sampling and keys

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Match the correct letter with the correct label in the table.

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Match the text

A

B

C

D

E

F

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Wipe the PROBE between each reading to ensure that moisture from a previous reading does not affect the results.

Not wiping the PROBE between each reading so moisture is still on it.

Insert PROBE to same depth each time.

Light intensity meter

Casting a shadow over the light sensor.

On cloudy days take several readings at each site and calculate average.


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